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17 results on '"Caglayan Keklikkiran"'

1. Prevalence of metabolic dysfunction-associated steatotic liver disease and steatohepatitis in Türkiye: A forensic autopsy study

Author

Ilkay Ergenc, Erdogan Kara, Muhammed Emre Yilmaz, Coskun Ozer Demirtas, Caglayan Keklikkiran, Taner Das, Yalcin Buyuk, Cigdem Celikel, Hizir Asliyuksek, and Yusuf Yilmaz

Subjects
MASLD, Steatohepatitis, Liver, Steatosis, Autopsy, Histology, Science (General), Q1-390, Social sciences (General), H1-99
Abstract

Background and aims: Metabolic dysfunction-associated steatotic liver disease (MASLD) is a growing global epidemic in Türkiye and worldwide. The aim of this study was to evaluate the prevalence and predictors of MASLD and steatohepatitis among adults who died of unnatural causes including sudden death and non-burn trauma. Method: We conducted a prospective review of all consecutive adult forensic autopsies for natural (sudden unexpected) and non-natural (Suicidal, homicidal and accidental) suspicious deaths carried out at the Istanbul Council of Forensic Medicine from February to May 2022. Four wedge biopsies were extracted from sagittal sectioned liver specimens. A liver pathologist with 20 years of experience examined each case for steatosis, ballooning, inflammation, and fibrosis. Results: Among 1797 autopsies, 62 met inclusion criteria. Overall, 43.3 % (n = 26) of autopsies showed evidence of steatotic liver disease, with a distribution of steatosis severity as: Grade I (28.3 %), Grade II (6.6 %), and Grade III (8.3 %). All these cases met at least one cardiometabolic criteria and diagnosed with MASLD. Ballooning was observed in 20.0 % of cases (5 cases grades 1 and 7 cases grade 2), and Inflammation was present in 51.7 % (9 cases with grade 0–1, 12 with 1–2, 7 with 2–3, and 3 with 5–6). Notably, 46.1 % (n = 12) of MASLD cases and 20.0 % (n = 12) of all cases were diagnosed with steatohepatitis, with three cases exhibiting delicate perisinusoidal fibrosis and one case showing portal fibrosis. Conclusion: The histopathological findings from this autopsy study confirmed the markedly high prevalence of MASLD and steatohepatitis within the general adult population, highlighting the concerning burden of steatotic liver disease in Türkiye.

Published
2024
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2. The impact of stigma on quality of life and liver disease burden among patients with nonalcoholic fatty liver disease

Author

Zobair M. Younossi, Saleh A. AlQahtani, Jesús Funuyet-Salas, Manuel Romero-Gómez, Yusuf Yilmaz, Caglayan Keklikkiran, Khalid Alswat, Ming-Lung Yu, Chun-Jen Liu, Jian-Gao Fan, Ming-Hua Zheng, Patrizia Burra, Sven M. Francque, Laurent Castera, Jörn M. Schattenberg, Philip N. Newsome, Alina M. Allen, Mohamed El-Kassas, Sombat Treeprasertsuk, Saeed Hameed, Vincent Wai-Sun Wong, Shira Zelber-Sagi, Hirokazu Takahashi, Takumi Kawaguchi, Marlen I. Castellanos Fernández, Ajay Duseja, Marco Arrese, Mary Rinella, Ashwani K. Singal, Stuart C. Gordon, Michael Fuchs, Wayne Eskridge, Naim Alkhouri, Kenneth Cusi, Rohit Loomba, Jane Ranagan, Achim Kautz, Janus P. Ong, Marcelo Kugelmas, Yuichiro Eguchi, Moises Diago, Lynn Gerber, Brian Lam, Lisa Fornaresio, Fatema Nader, C. Wendy Spearman, Stuart K. Roberts, Wah-Kheong Chan, Marcelo Silva, Andrei Racila, Pegah Golabi, Prooksa Ananchuensook, Linda Henry, Maria Stepanova, Patrizia Carrieri, and Jeffrey V. Lazarus

Subjects
patient-reported outcomes, metabolic liver disease, NASH, MASLD, MASH, SLD, Diseases of the digestive system. Gastroenterology, RC799-869
Abstract

Background & Aims: Patients with nonalcoholic fatty liver disease (NAFLD)/metabolic dysfunction-associated steatotic liver disease (MASLD) face a multifaceted disease burden which includes impaired health-related quality of life (HRQL) and potential stigmatization. We aimed to assess the burden of liver disease in patients with NAFLD and the relationship between experience of stigma and HRQL. Methods: Members of the Global NASH Council created a survey about disease burden in NAFLD. Participants completed a 35-item questionnaire to assess liver disease burden (LDB) (seven domains), the 36-item CLDQ-NASH (six domains) survey to assess HRQL and reported their experience with stigmatization and discrimination. Results: A total of 2,117 patients with NAFLD from 24 countries completed the LDB survey (48% Middle East and North Africa, 18% Europe, 16% USA, 18% Asia) and 778 competed CLDQ-NASH. Of the study group, 9% reported stigma due to NAFLD and 26% due to obesity. Participants who reported stigmatization due to NAFLD had substantially lower CLDQ-NASH scores (all p

Published
2024
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3. Simple Noninvasive Scores Are Clinically Useful to Exclude, Not Predict, Advanced Fibrosis: A Study in Turkish Patients with Biopsy-Proven Nonalcoholic Fatty Liver Disease

Author

Eda Kaya, Alev Bakir, Haluk Tarik Kani, Coskun Ozer Demirtas, Caglayan Keklikkiran, and Yusuf Yilmaz

Subjects
non-alcoholic fatty liver disease, liver fibrosis, diagnostic test, sensitivity and specificity, Diseases of the digestive system. Gastroenterology, RC799-869
Abstract

Background/Aims: Advanced fibrosis (F≥3) indicates poor outcomes in nonalcoholic fatty liver disease (NAFLD). Here, we examined the diagnostic performance of the fibrosis-4 index (FIB-4) and NAFLD fibrosis score (NFS) for detecting (or excluding) advanced fibrosis in patients with biopsy-proven NAFLD. Methods: The diagnostic performance of each noninvasive test according to previously identified cutoff points indicating low and high risk for advanced fibrosis was determined in 463 patients with NAFLD. Patients who scored 2.67 on the FIB-4 were considered at low and high risk for advanced fibrosis, respectively. Patients who scored 0.676 on the NFS were considered at low and high risk for advanced fibrosis, respectively. Results: Eighty-one patients (17.5%) had biopsy-proven advanced fibrosis (F≥3). The published FIB-4 cutoff values for low and high risk were able to exclude advanced fibrosis with negative predictive values (NPVs) of 0.907 and 0.843 and specificities of 74% and 97%, respectively. The published NFS cutoff values for low and high risk were able to exclude advanced fibrosis with NPVs of 0.913 and 0.842 and specificities of 63% and 96%, respectively. If biopsies were performed in only patients with a FIB-4 above the low cutoff point (≥1.3), 67.1% could be avoided. Conversely, if biopsies were performed in only patients with an NFS above the low cutoff point (≥–1.455), 57.0% could be avoided. Conclusions: The main clinical utility of the FIB-4 and NFS in patients with NAFLD lies in the ability to exclude, not identify, advanced fibrosis.

Published
2020
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4. Impairment of patient‐reported outcomes among patients with non‐alcoholic fatty liver disease: a registry‐based study

Author

Yusuf Yilmaz, Ahmet Eren Toraman, Ceyda Alp, Zehra Doğan, Caglayan Keklikkiran, Maria Stepanova, Zobair Younossi, and YILMAZ Y., Toraman A. E. , Alp C., Dogan Z., Keklikkiran C., Stepanova M., Younossi Z.

Subjects
Internal Diseases, Farmakoloji, Life Sciences (LIFE), Gastroenterology and Hepatology, Pharmacy, Sağlık Bilimleri, İç Hastalıkları, Clinical Medicine (MED), Gastroenteroloji-(Hepatoloji), Drug Guides, Yaşam Bilimleri, Health Sciences, FARMAKOLOJİ VE ECZACILIK, Klinik Tıp (MED), Farmakoloji, Toksikoloji ve Eczacılık (çeşitli), Pharmacology (medical), General Pharmacology, Toxicology and Pharmaceutics, Eczacılık, PHARMACOLOGY & PHARMACY, Pharmacology, Toxicology and Pharmaceutics (miscellaneous), Pharmacology, PHARMACOLOGY & TOXICOLOGY, Internal Medicine Sciences, Klinik Tıp, Hepatology, Temel Bilimler, Basic Pharmaceutics Sciences, GASTROENTEROLOGY & HEPATOLOGY, Gastroenterology, Life Sciences, Dahili Tıp Bilimleri, CLINICAL MEDICINE, Pharmacology and Therapeutics, Genel Farmakoloji, Toksikoloji ve Eczacılık, GASTROENTEROLOJİ VE HEPATOLOJİ, Tıp, Farmakoloji (tıbbi), Hepatoloji, Gastroenteroloji, Temel Eczacılık Bilimleri, İlaç Rehberleri, Yaşam Bilimleri (LIFE), Farmakoloji ve Toksikoloji, Medicine, Natural Sciences
Abstract

Background Patients with non-alcoholic fatty liver disease (NAFLD) and more advanced fibrosis tend to have more impairment in their health-related quality of life and other patient-reported outcomes (PROs). Aim To assess the association of PROs with select non-invasive tests (NITs) for fibrosis including FAST, Agile 3+ and Agile 4 scores Methods We enrolled patients with an established diagnosis of NAFLD who were seen in a tertiary care clinic into the NAFLD/NASH Registry. The FAST, Agile 3+ and Agile 4 scores were calculated using liver stiffness measurements by transient elastography and laboratory parameters. PROs were assessed using FACIT-F, CLDQ-NASH and WPAI instruments (total of 17 domain and summary scores). Results There were 1509 patients with NAFLD (mean age: 49 +/- 11 years, 50% men, 41% employed, 30% advanced fibrosis and 20% cirrhosis). The mean FAST, Agile 3+ and Agile 4 scores were 0.39 +/- 0.26, 0.35 +/- 0.31 and 0.12 +/- 0.23, respectively. Subjects with lower FAST, Agile 3+ and Agile 4 scores had the highest scores in select domains of FACIT-F, CLDQ-NASH and WPAI (p < 0.05 in comparison to subjects with elevated or high-risk NIT scores). Correlations with continuous NITs were significantly negative for Emotional and Functional well-being (FACIT-F), Activity/energy, Systemic symptoms, Worry and total scores (CLDQ-NASH), and Activity of WPAI (p < 0.05); the strongest was for Worry (CLDQ-NASH) with FAST (R = -0.17, p < 0.0001). The PRO scores of patients with NAFLD were lower than those of matched patients with chronic hepatitis B (p < 0.05 for 9/17 domain and summary scores). Conclusion Patients with NAFLD and high FAST, Agile 3+ or Agile 4 scores experience impairment of health-related quality of life.

Published
2022

5. Evaluation of the Impact of Metabolic Syndrome on Fibrosis in Metabolic Dysfunction-Associated Fatty Liver Disease

Author

Caglayan Keklikkiran, Haluk Tarik Kani, Yusuf Yilmaz, Ilkay Ergenc, Coskun Ozer Demirtas, Esra Akdeniz, and Shahin Mehdiyev

Subjects
Metabolic Syndrome, medicine.medical_specialty, medicine.diagnostic_test, biology, business.industry, Fatty liver, Aspartate transaminase, medicine.disease, Impaired fasting glucose, Fibrosis, Gastroenterology, Fatty Liver, Liver biopsy, Diabetes mellitus, Internal medicine, biology.protein, Humans, Medicine, Female, Original Article, Metabolic syndrome, business, Body mass index
Abstract

BACKGROUND: Metabolic syndrome (MS) is a condition that consists of several disorders, and the individual impact of these disorders on metabolic dysfunction-associated fatty liver disease (MAFLD) is still not clear in a combined diagnosis of MS. In this study, we aimed to investigate the effect of MS on advanced fibrosis in patients with MAFLD. METHODS: We recruited the patients from our gastroenterology out-patient clinic who were being followed up for MAFLD. MAFLD was diagnosed with liver biopsy in all patients. The frequency of MS and other metabolic parameters were also compared between groups with advanced fibrosis and groups in which fibrosis was not as advanced. RESULTS: In total, we enrolled 424 biopsy-proven MAFLD patients to the study. In univariate analysis, individuals with greater age, body mass index (BMI), higher aspartate transaminase (AST), MS, impaired fasting glucose, hypertension, enlarged waist circumference (WC), diabetes mellitus (DM), and women had significantly increased risk for fibrosis. In multivariate analysis, it was found that DM, greater age, higher BMI, and increased AST were seen more commonly in MAFLD patients with advanced fibrosis CONCLUSION: Greater age, a higher BMI, higher AST and a diagnosis of diabetes were more commonly associated with advanced fibrosis. However, DM was found to be the strongest predictive factor of advanced fibrosis in our cohort (OR: 2.495). Multivariate analyses did not indicate a significantly common occurrence of MS in the advanced fibrosis group, despite its important role in MAFLD pathophysiology.

Published
2021

6. Global multi-stakeholder endorsement of the MAFLD definition

Author

Nahum Méndez-Sánchez, Elisabetta Bugianesi, Robert G Gish, Frank Lammert, Herbert Tilg, Mindie H Nguyen, Shiv K Sarin, Núria Fabrellas, Shira Zelber-Sagi, Jian-Gao Fan, Gamal Shiha, Giovanni Targher, Ming-Hua Zheng, Wah-Kheong Chan, Shlomo Vinker, Takumi Kawaguchi, Laurent Castera, Yusuf Yilmaz, Marko Korenjak, C Wendy Spearman, Mehmet Ungan, Melissa Palmer, Mortada El-Shabrawi, Hans-Juergen Gruss, Jean-François Dufour, Anil Dhawan, Heiner Wedemeyer, Jacob George, Luca Valenti, Yasser Fouad, Manuel Romero‐Gomez, Mohammed Eslam, Maria Lorena Abate, Bahaa Abbas, Ahmed Amr Abbassy, Waleed Abd El Ghany, Amira Abd Elkhalek, Emad Abd ElMajeed, Mohammad Abdalgaber, Mohamed AbdAllah, Marwa Abdallah, Nourhan Abdallah, Shereen Abdelaleem, Yasser Abdelghani, Wael Abdelghany, Safaa Mohamed Abdelhalim, Wafaa Abdelhamid, Nehal Abdelhamid, Nadia A. Abdelkader, Elsayed Abdelkreem, Aly Mohamed Abdelmohsen, Awny Ali Abdelrahman, Sherief M Abd-elsalam, Doaa Abdeltawab, Abdulbaset Abduh, Nada Abdulhakam, Maheeba Abdulla, Navid Abedpoor, Ludovico Abenavoli, Fredrik Åberg, Omala Ablack, Mostafa Abo elftouh, Yousry Esam-Eldin Abo-Amer, Ashraf Aboubkr, Alaa Aboud, Amr M. Abouelnaga, Galal A. Aboufarrag, Ashraf Aboutaleb, Leticia Abundis, Gupse Adalı, Enrique Adames, Leon Adams, Danjuma Adda, Noor Adel, Nada Adel, Muhammad Adel Sayed, Taiba Jibril Afaa, Nawal Afredj, Gulnara Aghayeva, Alessio Aghemo, Carlos A. Aguilar-Salinas, Golo Ahlenstiel, Walid Ahmady, Wafaa Ahmed, Amira Ahmed, Samah Nasser Ahmed, Heba Mostafa Ahmed, Rasha Ahmed, Elmar Aigner, Mesut Akarsu, Maisam Akroush, Umit Akyuz, Mamun Al Mahtab, Tahani Al Qadiri, Yusriya Al Rawahi, Razzaq AL rubaee, Muna Al Saffar, Shahinul Alam, Zaid Al-Ani, Agustín Albillos, Mohamed Alboraie, Said Al-Busafi, Mohamed Al-Emam, Jawaher Alharthi, Kareem Ali, Basma Abdelmoez Ali, Mohammad Ali, Raja Affendi Raja Ali, Anna Alisi, Ali Raad AL-Khafaji, Maryam Alkhatry, Rocio Aller, Yahya Almansoury, Khalid Al-Naamani, Alaa Alnakeeb, Anna Alonso, Saleh A. Alqahtani, Leina Alrabadi, Khalid Alswat, Mahir Altaher, Turki Altamimi, Jose Altamirano, Mario R. Alvares-da-Silva, Elsragy Adel M. Aly, Amgad Alzahaby, Ahmed Alzamzamy, Keisuke Amano, Maysa A. Amer, Mona A. Amin, Sayed A. Amin, Ashraf A. Amir, Javier Ampuero, Noha Anas, Pietro Andreone, Soa Fy Andriamandimby, Mahmoud Anees, Peltec Angela, Manal Antonios, Wael Arafat, Jose Moreno Araya, Juan Armendariz-Borunda, Matthew J. Armstrong, Hassan Ashktorab, Patricia Aspichueta, Fathia Assal, Mira Atef, Dina Attia, Hoda Atwa, Reham Awad, Mohyeldeen Abd Elaziz Awad, Sally Awny, Obafemi Awolowo, Yaw Asante Awuku, Ibrahim Ayada, Than Than Aye, Sherif Ayman, Hedy Ayman, Hesham Ayoub, Hosny M. Azmy, Romiro P. Babaran, Omneya Badreldin, Ahmed Badry, İbrahim Halil Bahçecioğlu, Amira Bahour, Jiajia Bai, Yasemin Balaban, Muthuswamy Balasubramanyam, Khaled Bamakhrama, Jesus M Banales, Babu Bangaru, Jianfeng Bao, Jorge Suazo Barahona, Salma Barakat, Sandra Maria Barbalho, Bikwa Barbra, Beatriz Barranco, Francisco Barrera, Ulrich Baumann, Shamardan Bazeed, Eva Bech, Aourarh Benayad, Andreas Benesic, David Bernstein, Fernando Bessone, Susie Birney, Cyrille Bisseye, Martin Blake, Bilal Bobat, Leonilde Bonfrate, Dmitry S Bordin, Francisco Bosques-Padilla, Jerome Boursier, Boushab Mohamed Boushab, David Bowen, Patricia Medina Bravo, Paul N Brennan, Bisi Bright, Ilse Broekaert, Xabier Buque, Diego Burgos-Santamaría, Julio Burman, Luca Busetto, Chris D. Byrne, Patricia Anne I. Cabral-Prodigalidad, Guillermo Cabrera-Alvarez, Wei Cai, Francesca Cainelli, Ali Riza Caliskan, Ali Canbay, Ana Cano-Contreras, Hai-Xia Cao, Zhujun Cao, Andres Carrion, Francesca Carubbi, Teresa Casanovas, Marlen Ivón Castellanos Fernández, Jin Chai, Siew Pheng Chan, Phunchai Charatcharoenwitthaya, Norberto Chavez-Tapia, Kazuaki Chayama, Jinjun Chen, Lin Chen, Zhong-Wei Chen, Huiting Chen, Sui-Dan Chen, Qiang Chen, Yaxi Chen, Gang Chen, En-Quang Chen, Fei Chen, Pei-Jer Chen, Robert Cheng, Wendy Cheng, Jack Tan Wei Chieh, Imad Chokr, Evangelos Cholongitas, Ashok Choudhury, Abhijit Chowdhury, Evaristus Sunday Chukwudike, Stefano Ciardullo, Michelle Clayton, Karine Clement, Marie Michelle Cloa, Cecilia Coccia, Cristina Collazos, Massimo Colombo, Arif Mansur Cosar, Helma Pinchemel Cotrim, Joris Couillerot, Alioune Coulibaly, Gonzalo Crespo, Javier Crespo, Maria Cruells, Ian Homer Y. Cua, Hesham K. Dabbous, George N Dalekos, Patricia D'Alia, Li Dan, Viet Hang Dao, Mostafa Darwish, Christian Datz, Milagros B Davalos-Moscol, Heba Dawoud, Blanca Olaechea de Careaga, Robert de Knegt, Victor de Ledinghen, Janaka de Silva, Nabil Debzi, Marie Decraecker, Elvira Del Pozo, Teresa C Delgado, Manuel Delgado-Blanco, Łukasz Dembiński, Adilson Depina, Moutaz Derbala, Hailemichael Desalegn, Christèle Desbois-Mouthon, Mahmoud Desoky, Anouk Dev, Agostino Di Ciaula, Moisés Diago, Ibrahima Diallo, Luis Antonio Díaz, Melisa Dirchwolf, Paola Dongiovanni, Andrriy Dorofeyev, Xiaoguang Dou, Mark W. Douglas, Michael Doulberis, Cecil K. Dovia, Adam Doyle, Ivana Dragojević, Joost PH Drenth, Xuefei Duan, Audrius Dulskas, Dan L Dumitrascu, Oliver Duncan, Vincent Dusabejambo, Rev. Shem N.A. Dwawhi, Sho Eiketsu, Doaa El Amrousy, Ahmed El Deeb, Ghada El Deriny, Hesham Salah El Din, Salwa El Kamshishy, Mohamed El Kassas, Maissa El Raziky, Osama A Elagamy, Wafaa Elakel, Dina Elalfy, Hanaa Elaraby, Heba ElAwady, Reda Elbadawy, Hanaa Hassan Eldash, Manal S. Eldefrawy, Carol Lezama Elecharri, Amel Elfaramawy, Mohammed Elfatih, Mahmoud Elfiky, Mohamed Elgamsy, Mohamed Elgendy, Mohamed A. El-Guindi, Nagi Elhussieny, Ahmed Maher Eliwa, Zeineb Elkabbany, Hesham El-Khayat, Nehal M. El-Koofy, Alaa Elmetwalli, Amr Elrabat, Fathiya El-Raey, Fatma Elrashdy, Medhat Elsahhar, Esraa M. Elsaid, Shimaa Elsayed, Hany Elsayed, Aly Elsayed, Amr M. Elsayed, Hamdy Elsayed, Magdy El-Serafy, Ahmed M. Elsharkawy, Reem Yehia Elsheemy, Eman Elsayed Elshemy, Sara Elsherbini, Naglaa Eltoukhy, Reda Elwakil, Ola Emad, Shaimaa Emad, Mohamed Embabi, Ilkay Ergenç, Tatiana Ermolova, Gamal Esmat, Doaa M. Esmat, Enrique Carrera Estupiñan, Said Ettair, Tcaciuc Eugen, Mohammed Ezz-Eldin, Lidia Patricia Valdivieso Falcón, Yu-Chen Fan, Samah Fandari, Mahmoud Farag, Taghreed Mohamed Farahat, Eman M. Fares, Michael Fares, Eduardo Fassio, Hayam Fathy, Dina Fathy, Wael Fathy, Soheir Fayed, Dan Feng, Gong Feng, Miguel Fernández-Bermejo, Cristina Targa Ferreira, Javier Díaz Ferrer, Alastair Forbes, Rabab Fouad, Hanan M. Fouad, Tove Frisch, Hideki Fujii, Shuhei Fukunaga, Shinya Fukunishi, Hacer Fulya, Masato Furuhashi, Yasmine Gaber, Augusto Jose G. Galang, Jacqueline Cordova Gallardo, Rocío Galloso, Mahmoud Gamal, Reham Gamal, Hadeel Gamal, Jian Gan, Anar Ganbold, Xin Gao, George Garas, Tony Garba, Miren García-Cortes, Carmelo García-Monzón, Javier García-Samaniego, Amalia Gastaldelli, Manuel Gatica, Elizabeth Gatley, Tamar Gegeshidze, Bin Geng, Hasmik Ghazinyan, Salma Ghoneem, Luca Giacomelli, Gianluigi Giannelli, Edoardo G. Giannini, Matthew Giefer, Pere Ginès, Marcos Girala, Pablo J Giraudi, George Boon-Bee Goh, Ahmed Ali Gomaa, Benbingdi Gong, Dina Hilda C. Gonzales, Humberto C. Gonzalez, Maria Saraí Gonzalez-Huezo, Isabel Graupera, Ivica Grgurevic, Henning Grønbæk, Xuelian Gu, Lin Guan, Ibrahima Gueye, Alice Nanelin Guingané, Ozen Oz Gul, Cuma Bulent Gul, Qing Guo, Pramendra Prasad Gupta, Ahmet Gurakar, Juan Carlos Restrepo Gutierrez, Ghada Habib, Azaa Hafez, Emilia Hagman, Eman Halawa, Osama Hamdy, Abd Elkhalek Hamed, Dina H. Hamed, Saeed Hamid, Waseem Hamoudi, Yu Han, James Haridy, Hanan Haridy, David C H Harris Harris, Michael Hart, Fuad Hasan, Almoutaz Hashim, Israa Hassan, Ayman Hassan, Essam Ali Hassan, Adel Ahmed Hassan, Magda Shehata Hassan, Fetouh Hassanin, Alshymaa Hassnine, John Willy Haukeland, Amr Ismael M. Hawal, Jinfan He, Qiong He, Yong He, Fang-Ping He, Mona Hegazy, Adham Hegazy, Osama Henegil, Nelia Hernández, Manuel Hernández-Guerra, Fatima Higuera-de-la-Tijera, Ibrahim Hindy, Keisuke Hirota, Lee Chi Ho, Alexander Hodge, Mohamed Hosny, Xin Hou, Jiao-Feng Huang, Yan Huang, Zhifeng Huang, Yuan Huang, Ang Huang, Xiao-Ping Huang, Sheng Hui-ping, Bela Hunyady, Mennatallah A. Hussein, Osama Hussein, Shahinaz Mahmoud Hussien, Luis Ibáñez-Samaniego, Jamal Ibdah, Luqman Ibrahim, Miada Ibrahim, Ibrahim Ibrahim, Maria E. Icaza-Chávez, Sahar Idelbi, Ramazan Idilman Idilman, Mayumi Ikeda, Giuseppe Indolfi, Federica Invernizzi, Iram Irshad, Hasan Mohamed Ali Isa, Natacha Jreige Iskandar, Abdulrahman Ismaiel, Mariam Ismail, Zulkifli Ismail, Faisal Ismail, Hideki Iwamoto, Kathryn Jack, Rachael Jacob, Fuad Jafarov, Wasim Jafri, Helen Jahshan, Prasun K Jalal, Ligita Jancoriene, Martin Janicko, Hiruni Jayasena, Meryem Jefferies, Vivekanand Jha, Fanpu Ji, Yaqiu Ji, Jidong Jia, Changtao Jiang, Ni Jiang, Zong-zhe Jiang, Xing Jin, Yi Jin, Xu Jing, Qian Jingyu, Maia Jinjolava, FX Himawan Haryanto Jong, Alina Jucov, Ibecheole Julius, Mona Kaddah, Yoshihiro Kamada, Abobakr kamal, Enas Mohamed Kamal, Ashraf Sayed Kamel, Jia-Horng Kao, Maja Karin, Thomas Karlas, Mohammad Kashwaa, Leolin Katsidzira, Eda Kaya, M.Azzam Kayasseh, Bernadette Keenan, Caglayan Keklikkiran, William Keml, Deia K. Khalaf, Rofida Khalefa, Sherin Khamis, Doaa Khater, Hamed khattab, Anatoly Khavkin, Olga Khlynova, Nabil Khmis, Nazarii Kobyliak, Apostolos Koffas, Kazuhiko Koike, Kenneth Y.Y. Kok, Tomas Koller, Narcisse Patrice Komas, Nataliya V. Korochanskaya, Yannoula Koulla, Shunji Koya, Colleen Kraft, Bledar Kraja, Marcin Krawczyk, Mohammad Shafi Kuchay, Anand V Kulkarni, Ashish Kumar, Manoj Kumar, Sulaiman Lakoh, Philip Lam, Ling Lan, Naomi F. Lange, Kamran Bagheri Lankarani, Nicolas Lanthier, Kateryna Lapshyna, Sameh A. Lashen, Konang Nguieguia Justine Laure, Leonid Lazebnik, Didier Lebrec, Samuel S. Lee, Way Seah Lee, Yeong Yeh Lee, Diana Julie Leeming, Nathalie Carvalho Leite, Roberto Leon, Cosmas Rinaldi Adithya Lesmana, Junfeng Li, Qiong Li, Jun Li, Yang-Yang Li, Yufang Li, Lei Li, Min Li, Yiling li, Huiqing Liang, Tang Lijuan, Seng Gee Lim, Lee-Ling Lim, Shumei Lin, Han-Chieh Lin, Rita Lin, Rania Lithy, Yaru Liu, Yuanyuan Liu, Xin Liu, Wen-Yue Liu, Shourong Liu, Ken Liu, Tian Liu, Amedeo Lonardo, Mariana Bravo López, Eva López-Benages, Patricio Lopez-Jaramillo, Huimin Lu, Lun Gen Lu, Yan Lu, John Lubel, Rashid Lui, Iulianna Lupasco, Elena Luzina, Xiao-Hui Lv, Kate Lynch, Hong-Lei Ma, Mariana Verdelho Machado, Nonso Maduka, Katerina Madzharova, Russellini Magdaong, Sanjiv Mahadeva, Amel Mahfouz, Nik Ritza Kosai Nik Mahmood, Eman Mahmoud, Mohamed Mahrous, Rakhi Maiwall, Ammar Majeed, Avik Majumdar, Loey Mak, Madiha M Maklouf, Reza Malekzadeh, Claudia Mandato, Alessandra Mangia, Jake Mann, Hala Hussien Mansour, Abdellah Mansouri, Alessandro Mantovani, Jun qian Mao, Flor Maramag, Giulio Marchesini, Claude Marcus, Rui António Rocha Tato Marinho, Maria L Martinez-Chantar, Antonieta A. Soares Martins, Rana Marwan, Karen Frances Mason, Ghadeer Masoud, Mohamed Naguib Massoud, Maria Amalia Matamoros, Rosa Martín Mateos, Asmaa Mawed, Jean Claude Mbanya, Charles Mbendi, Lone McColaugh, Duncan McLeod, Juan Francisco Rivera Medina, Ahmed Megahed, Mai Mehrez, Iqbal Memon, Shahin Merat, Randy Mercado, Ahmed Mesbah, Taoufik Meskini, Mayada Metwally, Rasha Metwaly, Lei Miao, Eileen Micah, Luca Miele, Vladimir Milivojevic, Tamara Milovanovic, Yvonne L. Mina, Milan Mishkovik, Amal Mishriki, Tim Mitchell, Alshaimaa Mohamed, Mona Mohamed, Sofain Mohamed, Shady Mohammed, Ahmed Mohammed, Viswanathan Mohan, Sara Mohie, Aalaa Mokhtar, Reham Moniem, Mabel Segura Montilla, Jose Antonio Orozco Morales, María María Sánchez Morata, Jose Maria Moreno-Planas, Silvia Morise, Sherif Mosaad, Mohamed Moselhy, Alaa Mohamed Mostafa, Ebraheem Mostafa, Nezha Mouane, Nasser Mousa, Hamdy Mahfouz Moustafa, Abeer Msherif, Kate Muller, Christopher Munoz, Ana Beatriz Muñoz-Urribarri, Omar Alfaro Murillo, Feisul Idzwan Mustapha, Emir Muzurović, Yehia Nabil, Shaymaa Nafady, Ayu Nagamatsu, Atsushi Nakajima, Dan Nakano, Yuemin Nan, Fabio Nascimbeni, Mirella S. Naseef, Nagwa Nashat, Taran Natalia, Francesco Negro, Alexander V. 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J, Rockey, D, Rodriguez, M, Rodriguez Hernandez, H, Roman, E, Romeiro, F, Romeo, S, Rosales-Zabal, J, Roshdi, G, Rosso, N, Ruf, A, Ruiz, P, Runes, N, Ruzzenente, A, Ryan, M, Saad, A, Sabbagh, E, Sabbah, M, Saber, S, Sabrey, R, Sabry, R, Saeed, M, Said, D, Said, E, Sakr, M, Salah, Y, Salama, R, Salama, A, Saleh, H, Saleh, A, Salem, A, Salifou, A, Salih, A, Salman, A, Samouda, H, Sanai, F, Sanchez-Avila, J, Sanker, L, Sano, T, Sanz, M, Saparbu, T, Sawhney, R, Sayed, F, Sayed, S, Sayed, A, Sayed, M, Sebastiani, G, Secadas, L, Sediqi, K, Seif, S, Semida, N, Senates, E, Serban, E, Serfaty, L, Seto, W, Sghaier, I, Sha, M, Shabaan, H, Shalaby, L, Shaltout, I, Sharara, A, Sharma, V, Shawa, I, Shawkat, A, Shawky, N, Shehata, O, Sheils, S, Shewaye, A, Shi, G, Shi, J, Shimose, S, Shirono, T, Shou, L, Shrestha, A, Shui, G, Sievert, W, Sigurdardottir, S, Sira, M, Siradj, R, Sison, C, Smyth, L, Soliman, R, Sollano, J, Sombie, R, Sonderup, M, Sood, S, Soriano, G, Stedman, C, Stefanyuk, O, Stimac, D, Strasser, S, Strnad, P, Stuart, K, Su, W, Su, M, Sumida, Y, Sumie, S, Sun, D, Sun, J, Suzuki, H, Svegliati-Baroni, G, Swar, M, Taharboucht, S, Taher, Z, Takamura, S, Tan, L, Tan, S, Tanwandee, T, Tarek, S, Tatiana, G, Tavaglione, F, Tecson, G, Tee, H, Teschke, R, Tharwat, M, Thong, V, Thursz, M, Tine, T, Tiribelli, C, Tolmane, I, Tong, J, Tongo, M, Torkie, M, Torre, A, Torres, E, Trajkovska, M, Treeprasertsuk, S, Tsutsumi, T, Tu, T, Tur, J, Turan, D, Turcan, S, Turkina, S, Tutar, E, Tzeuton, C, Ugiagbe, R, Uygun, A, Vacca, M, Vajro, P, Van der Poorten, D, Van Kleef, L, Vashakidze, E, Velazquez, C, Velazquez, M, Vento, S, Verhoeven, V, Vespasiani-Gentilucci, U, Vethakkan, S, Vilaseca, J, Vitek, L, Volkanovska, A, Wallace, M, Wan, W, Wang, Y, Wang, X, Wang, C, Wang, M, Wangchuk, P, Weltman, M, White, M, Wiegand, J, Wifi, M, Wigg, A, Wilhelmi, M, William, R, Wittenburg, H, Wu, S, Wubeneh, A, Xia, H, Xiao, J, Xiao, X, Xiaofeng, W, Xiong, W, Xu, L, Xu, J, Xu, W, Xu, K, Xu, Y, Xu, S, Xu, M, Xu, A, Xu, C, Yan, H, Yang, J, Yang, R, Yang, Y, Yang, Q, Yang, N, Yao, J, Yara, J, Yaras, S, Yilmaz, N, Younes, R, Younes, H, Young, S, Youssef, F, Yu, Y, Yu, M, Yuan, J, Yue, Z, Yuen, M, Yun, W, Yurukova, N, Zakaria, S, Zaky, S, Zaldastanishvili, M, Zapata, R, Zare, N, Zerem, E, Zeriban, N, Zeshuai, X, Zhang, H, Zhang, X, Zhang, Y, Zhang, W, Zhang, Z, Zhao, J, Zhao, R, Zhao, H, Zheng, C, Zheng, Y, Zheng, R, Zheng, T, Zheng, K, Zhou, X, Zhou, Y, Zhou, H, Zhou, L, Zhu, L, Zhu, Y, Zhu, P, Ziada, E, Ziring, D, Ziyi, L, Zou, S, Zou, Z, Zou, H, Zuart Ruiz, R, and Global Multi-Stakeholder Consensus on the Redefinition of Fatty Liver Disease

Subjects
Renal disorders Radboud Institute for Molecular Life Sciences [Radboudumc 11], Hepatology, Non-alcoholic Fatty Liver Disease, NAFLD, consensu, Gastroenterology, MAFLD, definition, Humans, MAFLD, NAFLD, Human medicine
Abstract

Contains fulltext : 252162.pdf (Publisher’s version ) (Closed access)

Published
2022

7. Hepatocellular Carcinoma in Non-cirrhotic Liver Arises with a More Advanced Tumoral Appearance: A Single-Center Cohort Study

Author

Coskun Ozer Demirtas, Feyza Gunduz, Osman Ozdogan, Tugba Tolu, and Caglayan Keklikkiran

Subjects
Hepatitis B virus, Liver Cirrhosis, medicine.medical_specialty, Cirrhosis, Carcinoma, Hepatocellular, business.industry, Hepatitis C virus, Fatty liver, Liver Neoplasms, HCCS, Single Center, medicine.disease_cause, medicine.disease, Gastroenterology, digestive system diseases, Internal medicine, Hepatocellular carcinoma, medicine, Humans, Original Article, business, neoplasms, Cohort study, Neoplasm Staging, Retrospective Studies
Abstract

BACKGROUND: A small proportion of all hepatocellular carcinomas (HCCs) arise in a non-cirrhotic liver (NCL). However, our knowledge about the HCCs developing in a NCL is scarce. This study was undertaken to investigate the characteristics and survival course of this patient group. METHODS: We retrospectively analyzed the database of patients with HCC at a tertiary center during a 10-year period (2009-2019). All demographic, clinical, laboratory, and tumoral features with survival outcomes were compared between the HCC-CL and HCC-NCL groups. RESULTS: Out of 384 HCC cases, 11.2% (n = 43) had no cirrhosis. The dominant etiology in the HCC-NCL group was hepatitis B virus (n = 26, 60.5%), followed by non-alcoholic fatty liver disease (n = 10, 23.2%), and hepatitis C virus (n = 7, 16.3%). The maximum tumor diameter was approximately 2 times larger in the HCC-NCL group (HCC-NCL: 90 mm vs. HCC-CL: 46.5 mm, P < .001). The proportion of patients with vascular (HCC-NCL: 27.9% vs. HCC-CL: 8.6%, P < .001) and extrahepatic invasion (HCC-NCL: 14% vs. HCC-CL: 3%, P = .001) were prominently higher in the HCC-NCL group. Patients with HCC-NCL were less often detected in early-curable stages (BCLC 0-A) than those in the HCC-CL group (HCC-NCL: 16.3% vs. HCC-CL: 34.9%, P = .004). The overall survival was not different between the 2 groups (HCC-NCL: 19.4 ± 9.8 months vs. HCC-CL: 17.5 ± 2.3 months, P = .581). CONCLUSION: HCC in NCL is diagnosed at more advanced tumoral stages with larger tumor size and more often with vascular and extrahepatic spread. Despite the preserved liver functions, the overall survival is not prolonged in HCCs without cirrhosis, due to the late recognition.

Published
2021

8. Liver stiffness is associated with disease severity and worse clinical scenarios in coronavirus disease 2019: A prospective transient elastography study

Author

Ilkay Ergenc, Zekaver Odabasi, Gunes Eskidemir, Caglayan Keklikkiran, Buket Erturk Sengel, Ismail Cinel, Yusuf Yilmaz, Volkan Korten, Coskun Ozer Demirtas, Demirtas, Coskun Ozer, Keklikkiran, Caglayan, Ergenc, Ilkay, Sengel, Buket Erturk, Eskidemir, Gunes, Cinel, Ismail, Odabasi, Zekaver, Korten, Volkan, and Yilmaz, Yusuf

Subjects
Adult, Liver Cirrhosis, PNEUMONIA, medicine.medical_specialty, INCREASES, 030204 cardiovascular system & hematology, Logistic regression, Chronic liver disease, Severity of Illness Index, 03 medical and health sciences, 0302 clinical medicine, Internal medicine, Severity of illness, medicine, Humans, 030212 general & internal medicine, Prospective Studies, Prospective cohort study, Liver injury, Original Paper, business.industry, SARS-CoV-2, Gastroenterology, COVID-19, General Medicine, Odds ratio, medicine.disease, Original Papers, Confidence interval, Liver, Elasticity Imaging Techniques, business, Transient elastography
Abstract

Background Pre‐existing chronic liver disease is currently considered a poor prognostic factor for coronavirus disease 2019 (COVID‐19). The present study aimed to investigate the association of liver stiffness measurement (LSM) with disease severity and clinical course of COVID‐19. Methods We prospectively recruited consecutive hospitalised adult patients with COVID‐19 in a 3‐month period. Demographic, laboratory, clinical and vibration‐controlled transient elastography (VCTE) features were recorded at entry, and all patients were prospectively followed‐up. Severe liver fibrosis was defined as an LSM value higher than 9.6 kPA. Multivariate logistic regression analysis was performed to reveal factors associated with disease severity and outcomes. Results Out of 98 eligible patients with COVID‐19, 12 (12.2%) had severe liver fibrosis. Patients with severe liver fibrosis had higher baseline disease severity (P = .022), more commonly required oxygen treatment at entry (P = .010), and had intensive‐care unit (ICU) requirements during the 6 (1‐39)‐day median follow‐up time (P = .017). The presence of severe liver fibrosis was independently associated with disease severity (odds ratio (OR): 7.685, 95% confidence interval (CI): 1.435‐41.162, P = .017) and ICU requirement (OR: 46.656, 95% CI: 2.144‐1015.090, P = .014). LSM was correlated with alanine aminotransferase levels (P = .005, r: 0.283), but not with other markers of acute hepatic injury or inflammation. Conclusion Initial VCTE application might help physicians identify patients who are more likely to have severe illness or worse clinical outcomes, in addition to other well‐established clinical and laboratory factors. Further multicentre prospective studies are warranted to validate our results.

Published
2021

9. Recommendations for Reopening Endoscopy Units in Turkey: A Set-up Plan from a Tertiary Center in Istanbul

Author

Yusuf Yilmaz, Osman Ozdogan, Feyza Gunduz, Ozlen Atug, Yesim Ozen Alahdab, Caglayan Keklikkiran, Ilkay Ergenc, Coskun Ozer Demirtas, and Shahin Mehdiyev

Subjects
2019-20 coronavirus outbreak, Coronavirus disease 2019 (COVID-19), genetic structures, Turkey, Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), Health Personnel, Plan (drawing), Review, Tertiary Care Centers, Pandemic, Health care, medicine, Humans, Personal protective equipment, Personal Protective Equipment, Infection Control, medicine.diagnostic_test, business.industry, SARS-CoV-2, Gastroenterology, COVID-19, Endoscopy, medicine.disease, Medical emergency, business
Abstract

In the midst of Coronavirus-19 (COVID-19) pandemic, endoscopic procedures have been separated for only urgent and semi-urgent cases for the last few months to prevent transmission in endoscopy units. This approach will perhaps resolve the burden of elective procedures in the months ahead of us. As we observe a downtrend in new cases of COVID-19 in Turkey, a strategy for reopening endoscopy units is required. We are stepping into a time period where we should not only re-provide the essential services to our patients but also maintain the safety of healthcare workers and preserve the valuable personal protective equipment as well. Herein, we aim to share the available knowledge in performing endoscopy during the pandemic and the set-up plan of a tertiary center in Istanbul for reopening the endoscopy unit in the era of the COVID-19 pandemic.

Published
2021

10. Simple Noninvasive Scores Are Clinically Useful to Exclude, Not Predict, Advanced Fibrosis: A Study in Turkish Patients with Biopsy-Proven Nonalcoholic Fatty Liver Disease

Author

Caglayan Keklikkiran, Alev Bakir, Yusuf Yilmaz, Haluk Tarik Kani, Coskun Ozer Demirtas, Eda Kaya, Kaya, Eda, Bakir, Alev, Kani, Haluk Tarik, Demirtas, Coskun Ozer, Keklikkiran, Caglayan, Yilmaz, Yusuf, and İÜC, Cerrahpaşa Tıp Fakültesi, Dahili Tıp Bilimleri Bölümü

Subjects
SCORING SYSTEMS, Adult, Liver Cirrhosis, Male, medicine.medical_specialty, Liver fibrosis, Liver, Pancreas and Biliary Tract, Biopsy, DIAGNOSIS, Gastroenterology, Severity of Illness Index, 03 medical and health sciences, 0302 clinical medicine, Non-alcoholic Fatty Liver Disease, NAFLD, Fibrosis score, Internal medicine, Nonalcoholic fatty liver disease, Medicine, Cutoff, Humans, In patient, Aspartate Aminotransferases, Hepatology, medicine.diagnostic_test, business.industry, Alanine Transaminase, Diagnostic test, Middle Aged, medicine.disease, Advanced fibrosis, Sensitivity and specificity, Diabetes Mellitus, Type 2, 030220 oncology & carcinogenesis, 030211 gastroenterology & hepatology, Original Article, Female, Cutoff point, business, Non-alcoholic fatty liver disease
Abstract

Kaya, Eda/0000-0002-9293-2811; Demirtas, Coskun/0000-0002-0004-2740; Keklikkiran, Caglayan/0000-0001-6304-5554; Yilmaz, Yusuf/0000-0003-4518-5283; BAKIR, Alev/0000-0003-0664-5822 WOS:000550767400012 PubMed ID: 31530739 Background/Aims: Advanced fibrosis (F >= 3) indicates poor outcomes in nonalcoholic fatty liver disease (NAFLD). Here, we examined the diagnostic performance of the fibrosis-4 index (FIB-4) and NAFLD fibrosis score (NFS) for detecting (or excluding) advanced fibrosis in patients with biopsy-proven NAFLD. Methods The diagnostic performance of each non-invasive test according to previously identified cutoff points indicating low and high risk for advanced fibrosis was determined in 463 patients with NAFLD. Patients who scored 2.67 on the FIB-4 were considered at low and high risk for advanced fibrosis, respectively. Patients who scored 0.676 on the NFS were considered at low and high risk for advanced fibrosis, respectively. Results: Eighty-one patients (17.5%) had biopsy-proven advanced fibrosis (F >= 3). The published FIB-4 cutoff values for low and high risk were able to exclude advanced fibrosis with negative predictive values (NPVs) of 0.907 and 0.843 and specificities of 74% and 97%, respectively. The published NFS cutoff values for low and high risk were able to exclude advanced fibrosis with NPVs of 0.913 and 0.842 and specificities of 63% and 96%, respectively. If biopsies were performed in only patients with a FIB-4 above the low cutoff point (>= 1.3), 67.1% could be avoided. Conversely, if biopsies were performed in only patients with an NFS above the low cutoff point (>=-1.455), 57.0% could be avoided. Conclusions: The main clinical utility of the FIB-4 and NFS in patients with NAFLD lies in the ability to exclude, not identify, advanced fibrosis.

Published
2019

11. Causes of erectile dysfunction in non-alcoholic fatty liver disease

Author

Caglayan Keklikkiran, Umut Emre Aykut, Haydar Kamil Cam, Abdullah Fatih Demirci, Haluk Tarik Kani, Tarik Emre Sener, Coskun Ozer Demirtas, Cem Akbal, Cigdem Ataizi Celikel, Deniz Güney Duman, Ilkay Ergenc, and Acibadem University Dspace

Subjects
medicine.medical_specialty, business.industry, Fatty liver, non-alcoholic fatty liver disease, Non alcoholic, Disease, medicine.disease, Gastroenterology, Erectile dysfunction, Internal medicine, Medicine, International Index of Erectile Function, business, fatty liver
Abstract

Background and Aim: Erectile dysfunction (ED) is an important and commonly seen disorder in patients with non-alcoholic fatty liver disease (NAFLD). The objective of this study was to assess the rate of ED and its causes in a group of NAFLD patients. Materials and Methods: The International Index of Erectile Function questionnaire (IIEF-5) was used to evaluate the presence, causes, and severity of ED. Participants with an IIEF-5 score of

Published
2021

12. Evaluation of the Association between Programmed Cell Death-1 Gene Polymorphisms and Hepatocellular Carcinoma Susceptibility in Turkish Subjects. A Pilot Study

Author

Caglayan Keklikkiran, Demet Yilmaz, Feyza Gunduz, Fatih Eren, Osman Ozdogan, Coskun Ozer Demirtas, Abdullah Fatih Demirci, Demirci, Abdullah Fatih, Demirtas, Coskun Ozer, Eren, Fatih, Yilmaz, Demet, Keklikkiran, Caglayan, Ozdogan, Osman Cavit, and Gunduz, Feyza

Subjects
EXPRESSION, Male, Oncology, medicine.medical_specialty, Turkish population, Carcinoma, Hepatocellular, Genotype, Turkey, Programmed Cell Death 1 Receptor, DEATH-1 GENE, PROGRESSION, Pilot Projects, Single-nucleotide polymorphism, programmed cell death-1, Logistic regression, Polymorphism, Single Nucleotide, susceptibility, single nucleotide polymorphisms, Internal medicine, PD-1, medicine, Humans, Genetic Predisposition to Disease, Allele, Gene, POPULATION, Aged, business.industry, Liver Neoplasms, Haplotype, Gastroenterology, hepatocellular carcinoma, Middle Aged, medicine.disease, CANCER, PD1, Case-Control Studies, Hepatocellular carcinoma, LIGAND 1, Female, business
Abstract

Background and Aims: Programmed cell death-1 (PD-1) has a vital role in regulating T-cell function, and immune escape mechanism of cancer cells. It was shown that there could be a relationship between single nucleotide polymorphisms (SNPs) in the PD-1 gene and susceptibility to hepatocellular carcinoma (HCC) based on various studies. We aimed to investigate the role of three SNPs within the PD-1 gene in susceptibility to HCC in the Turkish population. Methods: Single nucleotide polymorphisms of PD-1.1, 1.5, and 1.6 were genotyped by using TaqMan Allelic Discrimination Assays in blood samples of 137 HCC and 136 control subjects, matched for age and gender. The genotype, allele and haplotype frequencies were compared in HCC and control groups using logistic regression analysis. Results: Genotype distributions of PD-1.1, PD-1.5 and PD-1.6 SNPs were in Hardy-Weinberg equilibrium. No significant difference was observed in the genotype distribution of PD-1.1, PD-1.5 and PD-1.6 polymorphisms among gender and age-matched HCC (M/F: 96/41; mean age: 61.4 ±11.7 years) and control group (M/F: 94/42; mean age: 61.4±10.1). In the haplotype analysis of PD-1.1/PD-1.5/PD-1.6, no significant difference was found among HCC and control group adjusted for sex and age (all p values>0.1). Conclusion: Our findings, firstly reporting the association of PD-1.5 polymorphism with HCC, and PD-1.1 and PD-1.6 with HCC in the Turkish population, suggest that PD-1 polymorphisms are not predisposing factors for HCC development. Future studies with larger sample sizes and different ethnic populations are required to validate our findings.

Published
2020

13. External validation of the Toronto hepatocellular carcinoma risk index in Turkish cirrhotic patients

Author

Bige Ozkan, Deniz Güney Duman, Yusuf Yilmaz, Feyza Gunduz, Ozlen Atug, Osman Ozdogan, Caglayan Keklikkiran, Adnan Giral, Coskun Ozer Demirtas, Nur Sena Cagatay, Haluk Tarik Kani, Rahmi Aslan, and Yesim Ozen Alahdab

Subjects
Liver Cirrhosis, medicine.medical_specialty, Carcinoma, Hepatocellular, Logistic regression, Gastroenterology, 03 medical and health sciences, 0302 clinical medicine, Risk Factors, Internal medicine, medicine, Carcinoma, Humans, Retrospective Studies, Receiver operating characteristic, Hepatology, business.industry, Liver Neoplasms, Area under the curve, Retrospective cohort study, medicine.disease, digestive system diseases, Confidence interval, 030220 oncology & carcinogenesis, Hepatocellular carcinoma, Cohort, 030211 gastroenterology & hepatology, business
Abstract

OBJECTIVES Toronto hepatocellular carcinoma risk index is developed to stratify cirrhotic patients according to 10-year hepatocellular carcinoma risk. We aimed to validate the performance of Toronto hepatocellular carcinoma risk index in a large Turkish cohort. MATERIALS AND METHODS We retrospectively reviewed the database of 1287 cirrhotic patients followed-up in a 10-year period (February 2008 to January 2018). All patients were stratified into three groups based on the Toronto hepatocellular carcinoma risk index score as follows: low-risk, 240. Area under the curve and optimal cutoff value of Toronto hepatocellular carcinoma risk index were obtained from receiver operator curve. To reveal the parameters related with hepatocellular carcinoma development, logistic regression analysis was conducted. The cumulative incidences of hepatocellular carcinoma were calculated using the Kaplan-Meier method, and the curves were compared using the log-rank test. RESULTS Out of 403 enrolled patients, 57 developed hepatocellular carcinoma. The median Toronto hepatocellular carcinoma risk index value was higher in hepatocellular carcinoma (+) group comparing to hepatocellular carcinoma (-) group [267 (70-366) vs. 224 (36-366), P < 0.001]. Out of 57 detected hepatocellular carcinomas, 45 (78.9%) were high risk, 11 (19.3%) were intermediate risk, and only one (1.8%) was low risk at the entry. The area under the curve of the Toronto hepatocellular carcinoma risk index to predict hepatocellular carcinoma was 0.750 (95% confidence interval, 0.683-0.817, P < 0.001). The optimal cutoff value of Toronto hepatocellular carcinoma risk index was 239.5, giving a sensitivity of 78.9% and specificity of 62.7%. As a result, Toronto hepatocellular carcinoma risk index remained to be the only significant parameter that has an affect on hepatocellular carcinoma development [adjusted-odds ratio: 1.016 (95% confidence interval, 1.007-1.024), P

Published
2020

14. Arterial stiffness is associated independently with liver stiffness in biopsy-proven nonalcoholic fatty liver disease: a transient elastography study

Author

Caglayan Keklikkiran, Murat Sunbul, Haluk Tarik Kani, Yusuf Yilmaz, Coskun Ozer Demirtas, and Beyza O Bilgin

Subjects
Liver Cirrhosis, medicine.medical_specialty, Biopsy, Pulse Wave Analysis, Vascular Stiffness, Fibrosis, Liver stiffness, Non-alcoholic Fatty Liver Disease, Risk Factors, Internal medicine, medicine.artery, Nonalcoholic fatty liver disease, medicine, Humans, Brachial artery, Pulse wave velocity, Hepatology, medicine.diagnostic_test, business.industry, Gastroenterology, medicine.disease, Liver, Arterial stiffness, Cardiology, Elasticity Imaging Techniques, Transient elastography, business
Abstract

BACKGROUND Nonalcoholic fatty liver disease (NAFLD) has been associated with an increased arterial stiffness. However, the question as to whether an association exists between the extent of vascular and liver stiffness in patients with biopsy-proven NAFLD remains open. In this study, we sought to investigate whether pulse wave velocity (PWV) and augmentation index (AIx) - two common indices of arterial stiffness - are associated with (a) liver stiffness measurement (LSM) on transient elastography (TE) and (b) histological liver fibrosis. PATIENTS AND METHODS We examined 125 patients with biopsy-proven NAFLD and 55 age-matched and sex-matched controls. Arterial stiffness of the brachial artery was measured using a Mobil-O-Graph arteriography system. LSM was assessed using TE, whereas the presence of advanced fibrosis (F ≥ 3) was determined on histology. RESULTS Patients with NAFLD had higher PWV [median: 7.2 (6.3-8.2) and 6.2 (5.5-6.7) m/s, respectively, P

Published
2019

16. Elevation of liver enzymes in intensive care patients is significantly related with the increased mortality

Author

Osman Özdoğan, Gamze Taskiran, Tugba Cetin, Yalcin Gul, Caglayan Keklikkiran, Ezgi Yigit, and Hamza Polat

Subjects
Not evaluated, medicine.medical_specialty, Icu patients, business.industry, Gastroenterology, Intensive care unit, law.invention, Elevation (emotion), law, Internal medicine, Liver enzyme, Intensive care, Medicine, business
Abstract

INTRODUCTION Many reasons may cause elevation of liver enzymes (LE) in intensive care unit (ICU) patients. However frequency, patterns and the effect on mortality are not evaluated in detail. The aim of the present study is to evaluate the frequency and patterns of elevation of liver enzymes in ICU patients and to find out if the liver enzyme elevation (LEE) have any effect on the mortality.

Published
2019

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